16989477

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 25660800

約数和(自身を除く): 8671323

約数列:

[1, 3, 17, 19, 51, 57, 89, 197, 267, 323, 591, 969, 1513, 1691, 3349, 3743, 4539, 5073, 10047, 11229, 17533, 28747, 52599, 63631, 86241, 190893, 298061, 333127, 894183, 999381, 5663159, 16989477]

約数ペア:

[(1, 16989477), (3, 5663159), (17, 999381), (19, 894183), (51, 333127), (57, 298061), (89, 190893), (197, 86241), (267, 63631), (323, 52599), (591, 28747), (969, 17533), (1513, 11229), (1691, 10047), (3349, 5073), (3743, 4539)]